Message 2004-10-0117: Re: PROPOSED ARTICLE X - autonyms

Fri, 17 Sep 2004 16:55:26 -0700 (PDT)

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Date: Fri, 17 Sep 2004 16:55:26 -0700 (PDT)
From: [unknown]
To:, phylocode@ouvaxa.cats.ohiou.ed=
Subject: Re: PROPOSED ARTICLE X - autonyms

Jon Wagner ( wrote:

<I wholeheartedly agree with Dr. de Queiroz that the issue of allowin=
g two
names for a clade MUST be addressed before any rules are considered o=
adopted. This was my gravest concern about the Cannatella proposal. M=
modification of that proposal does nothing to solve this, other than
removing panstems from the class of "regular taxon names.">

  As I read it, there are two different clades being referrenced here=
, not
one, as Mike Keesey pointed out. The conflict of two names for the sa=
thing doesn't occur, since one can be considered a slightly different
"class" of name than the other, for different purposes ... like how
stratigraphy pulls its hair out when people mix up the placement of t=
geological column with the temporal relationships within the column, =
Late with Upper, Early with Lower, etc. They can relate to the same a=
we can talk about the upper Maastrichtian as much as the late
Maastrichtian, and they may even use the same "specifiers," but they =
indeed distinct.

  Synapsida as a pan-stem, and use of the "Pan-Mammalia" name should =
be considered conflicting since while they reference the same clade, =
do so differently, and as Mike pointed out, their pan-stem "definitio=
can be modified to fit their actual flavor. The pan-stem definitions =
have external specifiers of each other major excluded group one choos=
es to
recognize, keeping in mind that defining Diapsida as exclusive of tur=
can be self-destructive of Diapsida's use.


Jaime A. Headden

  Little steps are often the hardest to take.  We are too used to mak=
ing leaps in the face of adversity, that a simple skip is so hard to =
do.  We should all learn to walk soft, walk small, see the world arou=
nd us rather than zoom by it.

"Innocent, unbiased observation is a myth." --- P.B. Medawar (1969)

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